把项目从VS2008的项目升级到VS2010的项目，结果重新打开出现了错误
Mixed mode assembly is built against version 'v2.0.50727' of the runtime and cannot be loaded in the 4.0 runtim...
用数据库备份恢复工具去恢复数据，恢复失败，提示
The operation cannot be performed on a database with database snapshots or active DBCC replicas.
有印象的是刚程序里是做过snapshot的，猜与之有关...
